#include "the_nighthold.h"

enum Says
{
    SAY_INTRO                               = 0,
    SAY_AGGRO                               = 1,
    SAY_ARCANETIC_RING                      = 2,
    SAY_ARCANETIC_RING_WARN                 = 3,
    SAY_SPANNING_SINGULARITY                = 4,
    SAY_CHANGE_PHASE_2                      = 5,
    SAY_CHANGE_PHASE_3                      = 6,
    SAY_EPOCHERIC_ORB                       = 7,
    SAY_EPOCHERIC_ORB_WARN                  = 8,
    SAY_DELPHURIC_BEAM                      = 9,
    SAY_DELPHURIC_BEAM_WARN                 = 10,
    SAY_CONFLEXIVE_BURST                    = 11,
    SAY_CONFLEXIVE_BURST_WARN               = 12,
    SAY_PLAYER_DEATH                        = 13,
    SAY_DEATH                               = 14,
    SAY_EVADE                               = 15,
    SAY_UNK_16                              = 16,
    SAY_UNK_17                              = 17,
    SAY_UNK_18                              = 18,
};

enum Spells
{
    SPELL_CONVERS_INTRODUCTION              = 210739, //Enter room or kill all trash?
    SPELL_TERMINATE                         = 229886, //Berserk
    SPELL_TERMINATE_AT                      = 229889,
    SPELL_TERMINATE_KILL                    = 229887,

    SPELL_ETCHED_IN_TIME                    = 208861,
    SPELL_LEAVE_NIGHTWELL_FILTER            = 208863,
    SPELL_LEAVE_NIGHTWELL                   = 208866,
    SPELL_LEAVE_NIGHTWELL_END               = 208867,
    SPELL_LEAVE_NIGHTWELL_REMOVE_DISSOLVE   = 225485,
    SPELL_CLEARALLDEBUFFS                   = 34098,
    SPELL_TIME_STOP                         = 208944,
    SPELL_TIME_STOP_ENERGY_COST             = 211647,
    SPELL_DISAPPEAR_VISUAL                  = 209026,
    SPELL_TIME_LAYER_CHANGE                 = 209030, //From player visual

    SPELL_SUM_TIME_ELEMENTAL_SLOW_DUMMY     = 211614,
    SPELL_SUM_TIME_ELEMENTAL_SLOW           = 209005,
    SPELL_SUM_TIME_ELEMENTAL_FAST_DUMMY     = 211616,
    SPELL_SUM_TIME_ELEMENTAL_FAST           = 209007,

    SPELL_SPANNING_SINGULARITY_AT           = 209500,
    SPELL_SPANNING_SINGULARITY_FILTER       = 209168,
    SPELL_SPANNING_SINGULARITY_NORMAL_2S    = 209169, //Normal, cast 2secs
    SPELL_SPANNING_SINGULARITY_NORMAL_0S    = 233010, //Normal, cast 0secs
    SPELL_SPANNING_SINGULARITY_LFR_2S       = 209186, //LFR, cast 2secs
    SPELL_SPANNING_SINGULARITY_LFR_0S       = 233009, //LFR, cast 0secs
    SPELL_SPANNING_SINGULARITY_HEROIC_2S    = 209170, //Heroic, cast 2secs
    SPELL_SPANNING_SINGULARITY_HEROIC_0S    = 233011, //Heroic, cast 0secs
    SPELL_SPANNING_SINGULARITY_MYTHIC_2S    = 209171, //Mythic, cast 2secs
    SPELL_SPANNING_SINGULARITY_MYTHIC_0S    = 233013, //Mythic, cast 0secs

    SPELL_CASCADENT_STAR                    = 229738,
    SPELL_CASCADENT_STAR_FILTER             = 229739,
    SPELL_CASCADENT_STAR_VISUAL             = 229740,
    SPELL_CASCADENT_STAR_DMG                = 229741,

    SPELL_ABLATION                          = 209615, //Phase 1
    SPELL_ABLATING_EXPLOSION                = 209973, //Phase 2
    SPELL_ABLATING_EXPLOSION_DMG            = 211799,
    SPELL_ABLATIVE_PULSE                    = 209971, //Phase 3
    SPELL_ABLATIVE_PULSE_ABLATED            = 211887,

    SPELL_ARCANETIC_TELEPORT                = 228879,
    SPELL_ARCANETIC_RING_DUMMY              = 208807,
    SPELL_ARCANETIC_RING_DUMMY_CAST         = 228877,
    SPELL_ARCANETIC_RING_FILTER             = 208808,
    SPELL_ARCANETIC_RING_AT                 = 208666,

    SPELL_DELPHURIC_BEAM_FILTER             = 209242,
    SPELL_DELPHURIC_BEAM_MARK               = 209244, //On Player
    SPELL_DELPHURIC_BEAM                    = 214278, //On Boss
    SPELL_DELPHURIC_BEAM_DMG                = 209248,

    SPELL_EPOCHERIC_ORB_FILTER              = 210022,
    SPELL_EPOCHERIC_ORB_MISSLE_NORMAL       = 210588, //108
    SPELL_EPOCHERIC_ORB_MISSLE_HEROIC       = 228949, //107
    SPELL_EPOCHERIC_ORB_MISSLE_MYTHIC       = 210589, //106
    SPELL_EPOCHERIC_ORB_SMALL_DMG           = 210024,
    SPELL_EPOCHERIC_ORB_BIG_DMG             = 210546,
    SPELL_EPOCHERIC_VULNERABILITY           = 227856, //Mythic

    SPELL_PERMELIATIVE_TORMENT_FILTER       = 210387, //2 targets
    SPELL_PERMELIATIVE_TORMENT_FILTER_2     = 225653, //Unlimited targets. wtf?
    SPELL_PERMELIATIVE_TORMENT_DOT          = 211261,

    SPELL_CONFLEXIVE_BURST_FILTER           = 209597,
    SPELL_CONFLEXIVE_BURST_AURA             = 209598,
    SPELL_CONFLEXIVE_BURST_DMG              = 209599,

    //Echo Elisande
    SPELL_TIME_ECHO_VISUAL                  = 209292,
    SPELL_DISSOLVE_VISUAL                   = 209267,
    SPELL_TIME_ECHO_WAIT_STATE_SINGULAR     = 225712, //105622
///105364
    SPELL_TIME_ECHO_WAIT_STATE_RING         = 225471,
    SPELL_ECHO_ARCANETIC_RING               = 209330,
///105624
    SPELL_TIME_ECHO_WAIT_STATE_BEAM         = 225494,
    SPELL_ECHO_DELPHURIC_BEAM               = 214295,
///106680
    SPELL_TIME_ECHO_WAIT_STATE_ORB          = 225508,
///105958
    SPELL_ECHO_EPOCHERIC_ORB                = 213739,

    //Recursive Elemental
    SPELL_CHANGE_MODE_TIME_ELEMENTAL_SLOW   = 208914,
    SPELL_BLAST                             = 221864,
    SPELL_TIME_ELEMENTAL_DIES_SLOW_AT       = 209881,
    SPELL_TIME_SLOW                         = 209165,
    SPELL_RECURSION                         = 209620, //Mythic

    //Expedient Elemental
    SPELL_CHANGE_MODE_TIME_ELEMENTAL_FAST   = 208916,
    SPELL_EXOTHERMIC_RELEASE_FILTER         = 209571, //Deprecated?
    SPELL_EXOTHERMIC_RELEASE                = 209568,
    SPELL_TIME_ELEMENTAL_DIES_FAST_AT       = 209882,
    SPELL_TIME_FAST                         = 209166,
    SPELL_EXPEDITE_FILTER                   = 209617, //Mythic
    SPELL_EXPEDITE                          = 209618,

    //Epocheric Orb
    SPELL_EPOCHERIC_ORB_VISUAL              = 213955,
    SPELL_EPOCHERIC_ORB_AT                  = 213956,
};

enum eEvents
{
    EVENT_CHANGE_PHASE_1                    = 1,
    EVENT_CHANGE_PHASE_2                    = 2,
    EVENT_CHANGE_PHASE_3                    = 3,
    EVENT_CHANGE_PHASE_4                    = 4,
    EVENT_SPANNING_SINGULARITY              = 5,
    EVENT_CASCADENT_STAR                    = 6,
    EVENT_ABLATION                          = 7,
    EVENT_ARCANETIC_RING                    = 8,
    EVENT_SUM_SLOW_ELEMENTAL                = 9,
    EVENT_SUM_FAST_ELEMENTAL                = 10,
    EVENT_DELPHURIC_BEAM                    = 11,
    EVENT_EPOCHERIC_ORB                     = 12,
    EVENT_ABLATING_EXPLOSION                = 13,
    EVENT_ABLATIVE_PULSE                    = 14,
    EVENT_PERMELIATIVE_TORMENT              = 15,
    EVENT_CONFLEXIVE_BURST                  = 16,
};

Position const centrPos = { 282.31f, 3135.51f, 226.84f };

Position const ringPos[25] =
{
    {224.39f, 3128.61f, 226.84f, 0.12f},
    {224.39f, 3143.15f, 226.84f, 6.15f},
    {228.01f, 3114.53f, 226.84f, 0.37f},
    {228.01f, 3157.23f, 226.84f, 5.90f},
    {235.01f, 3169.97f, 226.84f, 5.65f},
    {235.01f, 3101.79f, 226.84f, 0.62f},
    {244.96f, 3091.19f, 226.84f, 0.87f},
    {244.96f, 3180.57f, 226.84f, 5.40f},
    {257.24f, 3083.40f, 226.84f, 1.13f},
    {257.24f, 3188.36f, 226.84f, 5.15f},
    {271.07f, 3192.85f, 226.84f, 4.90f},
    {271.07f, 3078.91f, 226.84f, 1.38f},
    {285.58f, 3077.99f, 226.84f, 1.63f},
    {285.58f, 3193.76f, 226.84f, 4.64f},
    {299.86f, 3191.04f, 226.84f, 4.39f},
    {299.86f, 3080.72f, 226.84f, 1.88f},
    {313.01f, 3086.91f, 226.84f, 2.13f},
    {313.01f, 3184.85f, 226.84f, 4.14f},
    {324.21f, 3175.58f, 226.84f, 3.89f},
    {324.21f, 3096.18f, 226.84f, 2.38f},
    {332.76f, 3107.94f, 226.84f, 2.63f},
    {332.76f, 3163.82f, 226.84f, 3.64f},
    {338.11f, 3150.30f, 226.84f, 3.39f},
    {338.11f, 3121.46f, 226.84f, 2.89f},
    {339.93f, 3135.88f, 226.84f, 3.14f}
};

//106643
struct boss_elisande : BossAI
{
    explicit boss_elisande(Creature* creature) : BossAI(creature, DATA_ELISANDE) {}

    std::list<ObjectGuid> cascadentTargetsList;
    std::list<Position> leaveNightwellSingularPos;
    std::map<uint8, std::vector<ObjectGuid>> echoGuidVector;
    std::map<uint8, std::vector<Position>> singularityPos;
    std::map<uint8, std::list<ObjectGuid>> echoOrbList;
    std::map<uint8, std::list<uint32>> SummonElementalTimeList[2];
    std::list<uint32> singularityTimeList;
    std::list<uint32> arcaneticRingTimeList;
    std::list<uint32> delphuricBeamTimeList;
    std::list<uint32> epochericTimeList;
    std::list<uint32> permeliativeTormentTimeList;
    std::list<uint32> conflexiveBurstTimeList;

    bool _introDone = false;
    bool switchPhase = false;
    uint8 phase = 0;
    uint8 singularityCount = 0;
    uint8 arcaneticRingCount = 0;
    uint8 delphuricBeamCount = 0;
    uint8 echoOrbCount = 0;
    uint32 killCDTimer = 0;
    uint32 berserkTimer = 0;

    void Reset() override
    {
        _Reset();
        SetFlyMode(true);
        me->SetReactState(REACT_PASSIVE);
        me->SetPower(POWER_ENERGY, 100);
        me->RemoveAllAuras();
        me->InterruptNonMeleeSpells(true);
        DoCast(me, SPELL_ETCHED_IN_TIME, true);
        singularityPos.clear();
        leaveNightwellSingularPos.clear();
        echoGuidVector.clear();
        echoOrbList.clear();
        switchPhase = true;
        phase = 1;
        killCDTimer = 0;
    }

    void EnterCombat(Unit* /*who*/) override
    {
        Talk(SAY_AGGRO);
        _EnterCombat();
        DoCast(me, SPELL_LEAVE_NIGHTWELL_FILTER, true);
        DefaultEvents(true);
    }

    void JustDied(Unit* /*killer*/) override
    {
        Talk(SAY_DEATH);
        _JustDied();
        RemoveDebuffPlayers();
    }

    void EnterEvadeMode()
    {
        Talk(SAY_EVADE);
        BossAI::EnterEvadeMode();
        me->NearTeleportTo(me->GetHomePosition());
        RemoveDebuffPlayers();
    }

    void RemoveDebuffPlayers()
    {
        instance->DoRemoveAurasDueToSpellOnPlayers(SPELL_ABLATION);
        instance->DoRemoveAurasDueToSpellOnPlayers(SPELL_ABLATING_EXPLOSION);
        instance->DoRemoveAurasDueToSpellOnPlayers(SPELL_ABLATIVE_PULSE_ABLATED);
        instance->DoRemoveAurasDueToSpellOnPlayers(SPELL_CONFLEXIVE_BURST_AURA);
    }

    void DefaultEvents(bool enterCombat)
    {
        singularityCount = 0;
        arcaneticRingCount = 0;
        delphuricBeamCount = 0;
        echoOrbCount = 0;
        uint32 modTime = enterCombat ? 0 : 10000;

        if (IsLfrRaid())
        {
            SummonElementalTimeList[0][0] = { 5000, 62000, 40000, 55000 }; //Slow Elemental
            SummonElementalTimeList[1][0] = { 55000 }; //Fast Elemental
            singularityTimeList = { 17000, 57000, 30000 };
            delphuricBeamTimeList = { 35000, 77000, 25000 };
            permeliativeTormentTimeList = { 23000, 41000, 106000 };
        }
        else if (IsMythicRaid())
        {
            berserkTimer = (phase < 3 ? 199 : 194) * IN_MILLISECONDS;

            SummonElementalTimeList[0][1] = { 5000, 39000, 75000 };               //Slow Elemental
            SummonElementalTimeList[0][2] = { 5000, 39000, 45000, 30000, 30000 }; //Slow Elemental
            SummonElementalTimeList[0][3] = { 5000, 54000, 55000, 30000 };        //Slow Elemental
            SummonElementalTimeList[1][1] = { 8000, 81000 };        //Fast Elemental
            SummonElementalTimeList[1][2] = { 8000, 51000 };        //Fast Elemental
            SummonElementalTimeList[1][3] = { 8000, 36000, 45000 }; //Fast Elemental
            singularityTimeList = { 56000, 50000, 45000 };
            arcaneticRingTimeList = { 30000, 39000, 15000, 31000, 19000, 10000, 26000, 9000, 10000 };
            delphuricBeamTimeList = { 58000, 50000, 65000 };
            epochericTimeList = { 14000, 85000, 60000, 20000, 10000 };
            permeliativeTormentTimeList = { 64000, 75000, 25000, 20000 };
            conflexiveBurstTimeList = { 39000, 90000, 45000, 30000 };
        }
        else if (IsHeroicRaid())
        {
            berserkTimer = (phase < 3 ? 229 : 224) * IN_MILLISECONDS;

            SummonElementalTimeList[0][0] = { 5000, 49000, 52000, 60000 }; //Slow Elemental
            SummonElementalTimeList[1][0] = { 8000, 88000, 95000, 20000 }; //Fast Elemental
            singularityTimeList = { 25000, 36000, 57000, 65000 };
            arcaneticRingTimeList = { 35000, 40000, 10000, 63000, 10000 };
            delphuricBeamTimeList = { 59000, 57000, 60000, 70000 };
            epochericTimeList = { 18000, 76000, 37000, 70000, 15000, 15000, 30000, 15000 };
            permeliativeTormentTimeList = { 23000, 61000, 37000, 60000 };
            conflexiveBurstTimeList = { 48000, 52000, 56000, 65000, 10000 };
        }
        else
        {
            berserkTimer = (phase < 3 ? 259 : 254) * IN_MILLISECONDS;

            SummonElementalTimeList[0][0] = { 5000, 49000, 41000, 60000 }; //Slow Elemental
            SummonElementalTimeList[1][0] = { 8000, 71000, 101000 };       //Fast Elemental
            singularityTimeList = { 23000, 36000, 46000, 65000 };
            arcaneticRingTimeList = { 34000, 31000, 76000, 50000, 40000, 15000, 30000 };
            delphuricBeamTimeList = { 59000, 26000, 40000, 110000 };
            epochericTimeList = { 18000, 56000, 31000, 85000, 15000 };
            permeliativeTormentTimeList = { 23000, 41000, 106000 };
            conflexiveBurstTimeList = { 48000, 67000, 50000, 45000, 10000 };
        }

        events.RescheduleEvent(EVENT_SPANNING_SINGULARITY, singularityTimeList.front());

        if (!IsLfrRaid())
            events.RescheduleEvent(EVENT_ARCANETIC_RING, arcaneticRingTimeList.front());

        if (phase > 1)
        {
            events.RescheduleEvent(EVENT_DELPHURIC_BEAM, delphuricBeamTimeList.front());
            if (!IsLfrRaid())
                events.RescheduleEvent(EVENT_EPOCHERIC_ORB, epochericTimeList.front());
        }

        if (IsMythicRaid())
        {
            events.RescheduleEvent(EVENT_SUM_SLOW_ELEMENTAL, SummonElementalTimeList[0][phase].front() + modTime);
            events.RescheduleEvent(EVENT_SUM_FAST_ELEMENTAL, SummonElementalTimeList[1][phase].front() + modTime);
        }
        else
        {
            events.RescheduleEvent(EVENT_SUM_SLOW_ELEMENTAL, SummonElementalTimeList[0][0].front() + modTime);
            events.RescheduleEvent(EVENT_SUM_FAST_ELEMENTAL, SummonElementalTimeList[1][0].front() + modTime);
        }

        switch (phase)
        {
            case 1:
                events.RescheduleEvent(EVENT_CASCADENT_STAR, 12000);
                events.RescheduleEvent(EVENT_ABLATION, 13000);
                break;
            case 2:
                events.RescheduleEvent(EVENT_ABLATING_EXPLOSION, 24000);
                break;
            case 3:
                events.RescheduleEvent(EVENT_ABLATIVE_PULSE, 24000);
                events.RescheduleEvent(EVENT_PERMELIATIVE_TORMENT, permeliativeTormentTimeList.front());
                if (!IsLfrRaid())
                    events.RescheduleEvent(EVENT_CONFLEXIVE_BURST, conflexiveBurstTimeList.front());
                break;
        }
    }

    void DamageTaken(Unit* /*attacker*/, uint32& damage, DamageEffectType dmgType) override
    {
        if (phase < 3)
        {
            if (damage >= me->GetHealth())
            {
                damage = 0;
                me->SetHealth(me->CountPctFromMaxHealth(10));
            }

            if (!switchPhase && me->HealthBelowPct(11))
            {
                switchPhase = true;
                ++phase;
                events.Reset();
                me->KillAllDelayedEvents();
                me->m_Events.KillAllEvents(true);
                me->StopAttack(true);
                events.RescheduleEvent(EVENT_CHANGE_PHASE_1, 100);
                Talk(phase == 2 ? SAY_CHANGE_PHASE_2 : SAY_CHANGE_PHASE_3);
            }
        }
    }

    void OnApplyOrRemoveAura(uint32 spellId, AuraRemoveMode mode, bool apply) override
    {
        if (apply || mode != AURA_REMOVE_BY_EXPIRE || !me->isInCombat())
            return;

        if (spellId == SPELL_LEAVE_NIGHTWELL_END)
        {
            SetFlyMode(false);
            switchPhase = false;
            me->SetReactState(REACT_AGGRESSIVE, 2000);
            if (IsHeroicPlusRaid())
                me->CastSpell(leaveNightwellSingularPos.back(), SPELL_SPANNING_SINGULARITY_AT, true);
        }
    }

    void OnRemoveAuraTarget(Unit* target, uint32 spellId, AuraRemoveMode mode) override
    {
        if (target && mode == AURA_REMOVE_BY_EXPIRE)
        {
            switch (spellId)
            {
                case SPELL_DELPHURIC_BEAM_MARK:
                {
                    float angle = me->GetAngle(target);
                    me->PlayOrphanSpellVisual(me->GetPosition(), {0.f, 0.f, angle}, target->GetPosition(), 55186, 0.5f, ObjectGuid::Empty, true);
                    DoCast(target, SPELL_DELPHURIC_BEAM_DMG, true);
                    break;
                }
                case SPELL_ABLATING_EXPLOSION:
                    DoCast(target, SPELL_ABLATING_EXPLOSION_DMG, true);
                    break;
                case SPELL_CONFLEXIVE_BURST_AURA:
                    DoCast(target, SPELL_CONFLEXIVE_BURST_DMG, true);
                    break;
            }
        }
    }

    void SpellHitTarget(Unit* target, SpellInfo const* spellInfo) override
    {
        switch (spellInfo->Id)
        {
            case SPELL_LEAVE_NIGHTWELL_FILTER:
            {
                if (phase > 1)
                {
                    for (auto pos : leaveNightwellSingularPos)
                        me->CastSpell(pos, GetSingularitySpellId(), true);
                }
                leaveNightwellSingularPos.push_back(target->GetPosition());
                DoCast(target, SPELL_LEAVE_NIGHTWELL, true);
                break;
            }
            case SPELL_SPANNING_SINGULARITY_FILTER:
            {
                singularityPos[singularityCount - 1].push_back(target->GetPosition());
                me->CastSpell(target, GetSingularitySpellId(), false);
                break;
            }
            case SPELL_CASCADENT_STAR:
            {
                if (me->GetGUID() == target->GetGUID())
                    return;

                for (auto const& guid : cascadentTargetsList)
                {
                    if (target->GetGUID() == guid)
                        continue;

                    if (Unit* cascadentTarget = Unit::GetUnit(*me, guid))
                        target->CastSpell(cascadentTarget, SPELL_CASCADENT_STAR_VISUAL, true, nullptr, nullptr, me->GetGUID());
                }
                break;
            }
            case SPELL_CASCADENT_STAR_FILTER:
                if (me->GetGUID() != target->GetGUID())
                    cascadentTargetsList.push_back(target->GetGUID());
                break;
            case SPELL_DELPHURIC_BEAM_FILTER:
                DoCast(target, SPELL_DELPHURIC_BEAM_MARK, true);
                break;
            case SPELL_PERMELIATIVE_TORMENT_FILTER_2:
                DoCast(target, SPELL_PERMELIATIVE_TORMENT_DOT, true);
                break;
            case SPELL_CONFLEXIVE_BURST_FILTER:
                DoCast(target, SPELL_CONFLEXIVE_BURST_AURA, true);
                break;
        }
    }

    void SpellFinishCast(const SpellInfo* spell) override
    {
        switch (spell->Id)
        {
            case SPELL_TIME_STOP:
                events.RescheduleEvent(EVENT_CHANGE_PHASE_2, 3000);
                break;
            case SPELL_ARCANETIC_RING_DUMMY_CAST:
            {
                if (IsHeroicPlusRaid())
                {
                    if (auto echo = me->SummonCreature(NPC_ECHO_OF_ELISANDE_RING, me->GetPosition()))
                        echoGuidVector[1].push_back(echo->GetGUID());
                }
                DoCast(me, SPELL_ARCANETIC_RING_FILTER, true);
                me->SetReactState(REACT_AGGRESSIVE, 3000);
                break;
            }
            case SPELL_SPANNING_SINGULARITY_FILTER:
            {
                if (IsMythicRaid())
                {
                    if (auto echo = me->SummonCreature(NPC_ECHO_OF_ELISANDE_SINGULAR, me->GetPosition()))
                        echoGuidVector[0].push_back(echo->GetGUID());
                }
                break;
            }
            case SPELL_DELPHURIC_BEAM:
            {
                Talk(SAY_DELPHURIC_BEAM_WARN);
                if (IsMythicRaid())
                {
                    if (auto echo = me->SummonCreature(NPC_ECHO_OF_ELISANDE_BEAM, me->GetPosition()))
                        echoGuidVector[2].push_back(echo->GetGUID());
                }
                break;
            }
            case SPELL_EPOCHERIC_ORB_FILTER:
            {
                if (IsHeroicPlusRaid())
                {
                    if (auto echo = me->SummonCreature(NPC_ECHO_OF_ELISANDE_ORB_VIS, me->GetPosition()))
                        echoOrbList[echoOrbCount].push_back(echo->GetGUID());
                }
                uint8 count = me->GetMap()->GetPlayersCountExceptGMs();

                if (count <= 15)
                    count = 2;
                else if (count <= 20)
                    count = 3;
                else if (count <= 25)
                    count = 4;
                else if (count <= 30)
                    count = 5;

                Position pos;
                float angle = frand(0.0f, 6.28f);
                for (uint8 i = 0; i < count; ++i)
                {
                    centrPos.SimplePosXYRelocationByAngle(pos, frand(25.0f, 35.0f), angle);
                    angle += 6.28f / count;
                    me->CastSpell(pos, SPELL_EPOCHERIC_ORB_MISSLE_NORMAL, true);
                    me->SummonCreature(NPC_EPOCHERIC_ORB_TRIGGER, pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ() + 18.0f);
                    if (IsHeroicPlusRaid())
                    {
                        if (auto echo = me->SummonCreature(NPC_ECHO_OF_ELISANDE_ORB_TRIG, pos))
                            echoOrbList[echoOrbCount].push_back(echo->GetGUID());
                    }
                }
                ++echoOrbCount;
                break;
            }
        }
    }

    uint32 GetSingularitySpellId()
    {
        if (IsLfrRaid())
            return phase == 1 ? SPELL_SPANNING_SINGULARITY_LFR_2S : SPELL_SPANNING_SINGULARITY_LFR_0S;
        else if (IsMythicRaid())
            return phase == 1 ? SPELL_SPANNING_SINGULARITY_MYTHIC_2S : SPELL_SPANNING_SINGULARITY_MYTHIC_0S;
        else if (IsHeroicRaid())
            return phase == 1 ? SPELL_SPANNING_SINGULARITY_HEROIC_2S : SPELL_SPANNING_SINGULARITY_HEROIC_0S;
        else
            return phase == 1 ? SPELL_SPANNING_SINGULARITY_NORMAL_2S : SPELL_SPANNING_SINGULARITY_NORMAL_0S;
    }

    void SummonedCreatureDies(Creature* summon, Unit* /*killer*/) override
    {
        switch (summon->GetEntry())
        {
            case NPC_RECURSIVE_ELEMENTAL:
                me->CastSpell(summon->GetPosition(), SPELL_TIME_ELEMENTAL_DIES_SLOW_AT, true);
                break;
            case NPC_EXPEDIENT_ELEMENTAL:
                me->CastSpell(summon->GetPosition(), SPELL_TIME_ELEMENTAL_DIES_FAST_AT, true);
                break;
        }
    }

    void MoveInLineOfSight(Unit* who) override
    {
        if (who->GetTypeId() == TYPEID_PLAYER && !_introDone && me->IsWithinDistInMap(who, 40.0f))
        {
            _introDone = true;
            DoCast(me, SPELL_CONVERS_INTRODUCTION, true);
        }
    }

    void DespawnEventTrash()
    {
        RemoveDebuffPlayers();
        me->RemoveAllAreaObjects();
        summons.DespawnEntry(NPC_RECURSIVE_ELEMENTAL);
        summons.DespawnEntry(NPC_EXPEDIENT_ELEMENTAL);
        summons.DespawnEntry(NPC_EPOCHERIC_ORB_TRIGGER);
    }

    void KilledUnit(Unit* who) override
    {
        if (who && who->IsPlayer() && !killCDTimer)
        {
            killCDTimer = 3000;
            Talk(SAY_PLAYER_DEATH);
        }
    }

    void UpdateAI(uint32 diff) override
    {
        if (!UpdateVictim())
            return;

        events.Update(diff);

        if (killCDTimer)
        {
            if (killCDTimer <= diff)
                killCDTimer = 0;
            else
                killCDTimer -= diff;
        }

        if (berserkTimer && !switchPhase)
        {
            if (berserkTimer <= diff)
            {
                berserkTimer = 0;
                events.Reset();
                me->StopAttack(true);
                DoCast(me, SPELL_TERMINATE, true);
                me->AddDelayedCombat(60000, [this] () -> void
                {
                    if (me && me->IsAlive() && me->isInCombat())
                        me->AI()->EnterEvadeMode();
                });
            }
            else
                berserkTimer -= diff;
        }

        if (me->HasUnitState(UNIT_STATE_CASTING))
            return;

        if (CheckHomeDistToEvade(diff, 60.0f))
            return;

        if (uint32 eventId = events.ExecuteEvent())
        {
            switch (eventId)
            {
                case EVENT_CHANGE_PHASE_1:
                    DoCast(me, SPELL_CLEARALLDEBUFFS, true);
                    DoCast(me, SPELL_TIME_STOP_ENERGY_COST, true);
                    DoCast(SPELL_TIME_STOP);
                    DefaultEvents(false);
                    break;
                case EVENT_CHANGE_PHASE_2:
                    DespawnEventTrash();
                    DoCast(me, SPELL_TIME_LAYER_CHANGE, true);
                    DoCast(me, SPELL_DISAPPEAR_VISUAL, true);
                    events.RescheduleEvent(EVENT_CHANGE_PHASE_3, 2000);
                    break;
                case EVENT_CHANGE_PHASE_3:
                    SetFlyMode(true);
                    me->SetHealth(me->GetMaxHealth());
                    me->NearTeleportTo(me->GetHomePosition());
                    DoCast(me, SPELL_ETCHED_IN_TIME, true);
                    events.RescheduleEvent(EVENT_CHANGE_PHASE_4, 5000);
                    break;
                case EVENT_CHANGE_PHASE_4:
                    DoCast(me, SPELL_LEAVE_NIGHTWELL_FILTER, true);
                    break;
                case EVENT_SUM_SLOW_ELEMENTAL:
                {
                    Position pos;
                    centrPos.SimplePosXYRelocationByAngle(pos, frand(30.0f, 40.0f), frand(0.0f, 6.28f));
                    me->CastSpell(me, SPELL_SUM_TIME_ELEMENTAL_SLOW_DUMMY, true);
                    me->CastSpell(pos, SPELL_SUM_TIME_ELEMENTAL_SLOW, true);
                    SummonElementalTimeList[0][IsMythicRaid() ? phase : 0].pop_front();
                    if (!SummonElementalTimeList[0][IsMythicRaid() ? phase : 0].empty())
                        events.RescheduleEvent(EVENT_SUM_SLOW_ELEMENTAL, SummonElementalTimeList[0][IsMythicRaid() ? phase : 0].front());
                    break;
                }
                case EVENT_SUM_FAST_ELEMENTAL:
                {
                    Position pos;
                    centrPos.SimplePosXYRelocationByAngle(pos, frand(20.0f, 35.0f), frand(0.0f, 6.28f));
                    me->CastSpell(me, SPELL_SUM_TIME_ELEMENTAL_FAST_DUMMY, true);
                    me->CastSpell(pos, SPELL_SUM_TIME_ELEMENTAL_FAST, true);
                    SummonElementalTimeList[1][IsMythicRaid() ? phase : 0].pop_front();
                    if (!SummonElementalTimeList[1][IsMythicRaid() ? phase : 0].empty())
                        events.RescheduleEvent(EVENT_SUM_FAST_ELEMENTAL, SummonElementalTimeList[1][IsMythicRaid() ? phase : 0].front());
                    break;
                }
                case EVENT_SPANNING_SINGULARITY:
                {
                    if (phase == 1)
                    {
                        events.DelayEvents(200);
                        Talk(SAY_SPANNING_SINGULARITY);
                        DoCast(SPELL_SPANNING_SINGULARITY_FILTER);
                    }
                    else if (singularityCount < singularityPos.size() && singularityCount < echoGuidVector[0].size())
                    {
                        if (IsMythicRaid())
                            if (auto echo = Creature::GetCreature(*me, echoGuidVector[0][singularityCount]))
                                echo->GetAI()->DoAction(ACTION_1);

                        for (auto pos : singularityPos[singularityCount])
                            me->CastSpell(pos, GetSingularitySpellId(), false);
                    }
                    ++singularityCount;
                    singularityTimeList.pop_front();
                    if (!singularityTimeList.empty())
                        events.RescheduleEvent(EVENT_SPANNING_SINGULARITY, singularityTimeList.front());
                    break;
                }
                case EVENT_ARCANETIC_RING:
                {
                    if (phase == 1)
                    {
                        me->StopAttack(true);
                        for (uint8 i = 0; i < 25; ++i)
                            me->SummonCreature(NPC_ARCANETIC_RING, ringPos[i]);
                        Position pos;
                        std::list<AreaTrigger*> listAT;
                        me->GetAreaObjectList(listAT, SPELL_TIME_ELEMENTAL_DIES_SLOW_AT);
                        bool found = false;
                        while (!found)
                        {
                            centrPos.SimplePosXYRelocationByAngle(pos, 30.0f, frand(0.0f, 6.28f));
                            found = true;

                            for (auto const& at : listAT)
                            {
                                if (at->GetDistance(pos) <= 15.0f)
                                    found = false;
                            }
                        }
                        me->CastSpell(pos, SPELL_ARCANETIC_TELEPORT, true);
                        me->CastSpell(me, SPELL_ARCANETIC_RING_DUMMY, true);
                        me->CastSpellDelay(me, SPELL_ARCANETIC_RING_DUMMY_CAST, false, 1000);
                        Talk(SAY_ARCANETIC_RING);
                        Talk(SAY_ARCANETIC_RING_WARN);
                    }
                    else
                    {
                        if (IsHeroicPlusRaid() && arcaneticRingCount < echoGuidVector[1].size())
                            if (auto echo = Creature::GetCreature(*me, echoGuidVector[1][arcaneticRingCount++]))
                                echo->GetAI()->DoAction(ACTION_2);
                    }
                    arcaneticRingTimeList.pop_front();
                    if (!arcaneticRingTimeList.empty())
                        events.RescheduleEvent(EVENT_ARCANETIC_RING, arcaneticRingTimeList.front());
                }
                case EVENT_CASCADENT_STAR:
                    if (me->GetReactState() != REACT_PASSIVE)
                    {
                        cascadentTargetsList.clear();
                        DoCastTopAggro(SPELL_CASCADENT_STAR);
                    }
                    events.RescheduleEvent(EVENT_CASCADENT_STAR, 5000);
                    break;
                case EVENT_ABLATION:
                    if (me->GetReactState() != REACT_PASSIVE)
                        DoCastTopAggro(SPELL_ABLATION);
                    events.RescheduleEvent(EVENT_ABLATION, 5000);
                    break;
                case EVENT_DELPHURIC_BEAM:
                {
                    if (phase == 2)
                    {
                        Talk(SAY_DELPHURIC_BEAM);
                        DoCast(SPELL_DELPHURIC_BEAM);
                    }
                    else if (IsMythicRaid() && phase == 3 && delphuricBeamCount < echoGuidVector[2].size())
                    {
                        if (auto echo = Creature::GetCreature(*me, echoGuidVector[2][delphuricBeamCount++]))
                            echo->GetAI()->DoAction(ACTION_3);
                    }
                    delphuricBeamTimeList.pop_front();
                    if (!delphuricBeamTimeList.empty())
                        events.RescheduleEvent(EVENT_DELPHURIC_BEAM, delphuricBeamTimeList.front());
                    break;
                }
                case EVENT_EPOCHERIC_ORB:
                {
                    if (phase == 2)
                    {
                        Talk(SAY_EPOCHERIC_ORB);
                        Talk(SAY_EPOCHERIC_ORB_WARN);
                        DoCast(SPELL_EPOCHERIC_ORB_FILTER);
                    }
                    else if (IsHeroicPlusRaid() && phase == 3 && echoOrbCount < echoOrbList.size())
                    {
                        for (auto const& guid : echoOrbList[echoOrbCount])
                            if (auto echo = Creature::GetCreature(*me, guid))
                                echo->GetAI()->DoAction(ACTION_4);

                        ++echoOrbCount;
                    }
                    if (!IsNormalRaid())
                        epochericTimeList.pop_front();
                    else if (epochericTimeList.size() > 1)
                        epochericTimeList.pop_front();
                    if (!epochericTimeList.empty())
                        events.RescheduleEvent(EVENT_EPOCHERIC_ORB, epochericTimeList.front());
                    break;
                }
                case EVENT_ABLATING_EXPLOSION:
                    DoCastTopAggro(SPELL_ABLATING_EXPLOSION);
                    events.RescheduleEvent(EVENT_ABLATING_EXPLOSION, 21000);
                    break;
                case EVENT_ABLATIVE_PULSE:
                    DoCastTopAggro(SPELL_ABLATIVE_PULSE);
                    events.RescheduleEvent(EVENT_ABLATIVE_PULSE, 6000);
                    break;
                case EVENT_PERMELIATIVE_TORMENT:
                    DoCast(SPELL_PERMELIATIVE_TORMENT_FILTER_2);
                    permeliativeTormentTimeList.pop_front();
                    if (!permeliativeTormentTimeList.empty())
                        events.RescheduleEvent(EVENT_PERMELIATIVE_TORMENT, permeliativeTormentTimeList.front());
                    break;
                case EVENT_CONFLEXIVE_BURST:
                    Talk(SAY_CONFLEXIVE_BURST);
                    Talk(SAY_CONFLEXIVE_BURST_WARN);
                    DoCast(SPELL_CONFLEXIVE_BURST_FILTER);
                    if (!IsNormalRaid())
                        conflexiveBurstTimeList.pop_front();
                    else if (conflexiveBurstTimeList.size() > 1)
                        conflexiveBurstTimeList.pop_front();
                    if (!conflexiveBurstTimeList.empty())
                        events.RescheduleEvent(EVENT_CONFLEXIVE_BURST, conflexiveBurstTimeList.front());
                    break;
            }
        }
        DoMeleeAttackIfReady();
    }
};

//105364, 105622, 105624, 105958
struct npc_elisande_echo_of_elisande : ScriptedAI
{
    explicit npc_elisande_echo_of_elisande(Creature* creature) : ScriptedAI(creature)
    {
        me->SetReactState(REACT_PASSIVE);
        me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC | UNIT_FLAG_IMMUNE_TO_PC | UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE);
    }

    void IsSummonedBy(Unit* summoner) override
    {
        SetWaitState();

        if (me->GetEntry() != NPC_ECHO_OF_ELISANDE_ORB_TRIG)
            DoCast(me, SPELL_TIME_ECHO_VISUAL, true);
    }

    void SetWaitState()
    {
        switch (me->GetEntry())
        {
            case NPC_ECHO_OF_ELISANDE_RING:
                DoCast(me, SPELL_TIME_ECHO_WAIT_STATE_RING, true);
                break;
            case NPC_ECHO_OF_ELISANDE_SINGULAR:
                DoCast(me, SPELL_TIME_ECHO_WAIT_STATE_SINGULAR, true);
                break;
            case NPC_ECHO_OF_ELISANDE_BEAM:
                DoCast(me, SPELL_TIME_ECHO_WAIT_STATE_BEAM, true);
                break;
            case NPC_ECHO_OF_ELISANDE_ORB_VIS:
                DoCast(me, SPELL_TIME_ECHO_WAIT_STATE_ORB, true);
                break;
        }
    }

    uint32 GetSingularitySpellId()
    {
        if (IsLfrRaid())
            return SPELL_SPANNING_SINGULARITY_LFR_2S;
        else if (IsMythicRaid())
            return SPELL_SPANNING_SINGULARITY_MYTHIC_2S;
        else if (IsHeroicRaid())
            return SPELL_SPANNING_SINGULARITY_HEROIC_2S;
        else
            return SPELL_SPANNING_SINGULARITY_NORMAL_2S;
    }

    void DoAction(int32 const actionID) override
    {
        switch (actionID)
        {
            case ACTION_1: //Echo Spanning Singularity
                Talk(0);
                DoCast(SPELL_SPANNING_SINGULARITY_FILTER);
                break;
            case ACTION_2: //Echo Arcanetic Ring
            {
                if (auto owner = me->GetAnyOwner())
                {
                    for (uint8 i = 0; i < 25; ++i)
                        owner->SummonCreature(NPC_ARCANETIC_RING, ringPos[i]);
                }
                Talk(0);
                Talk(1);
                DoCast(SPELL_ECHO_ARCANETIC_RING);
                break;
            }
            case ACTION_3: //Echo Delphuric Beam
                Talk(0);
                Talk(1);
                DoCast(SPELL_ECHO_DELPHURIC_BEAM);
                break;
            case ACTION_4: //Echo Epocheric Orb
            {
                if (me->GetEntry() == NPC_ECHO_OF_ELISANDE_ORB_TRIG)
                    DoCast(SPELL_ECHO_EPOCHERIC_ORB);
                else if (me->GetEntry() == NPC_ECHO_OF_ELISANDE_ORB_VIS)
                {
                    Talk(0);
                    Talk(1);
                    DoCast(me, SPELL_DISSOLVE_VISUAL, true);
                }
                break;
            }
        }
    }

    void OnApplyOrRemoveAura(uint32 spellId, AuraRemoveMode mode, bool apply) override
    {
        if (apply || mode != AURA_REMOVE_BY_EXPIRE)
            return;

        if (spellId == SPELL_ECHO_DELPHURIC_BEAM)
            DoCast(me, SPELL_DISSOLVE_VISUAL, true);
    }

    void OnRemoveAuraTarget(Unit* target, uint32 spellId, AuraRemoveMode mode) override
    {
        if (target && spellId == SPELL_DELPHURIC_BEAM_MARK && mode == AURA_REMOVE_BY_EXPIRE)
        {
            float angle = me->GetAngle(target);
            me->PlayOrphanSpellVisual(me->GetPosition(), {0.f, 0.f, angle}, target->GetPosition(), 55186, 0.5f, ObjectGuid::Empty, true);
            DoCast(target, SPELL_DELPHURIC_BEAM_DMG, true);
        }
    }

    void SpellHit(Unit* caster, SpellInfo const* spellInfo) override
    {
        switch (spellInfo->Id)
        {
            case SPELL_LEAVE_NIGHTWELL_REMOVE_DISSOLVE:
                SetWaitState();
                break;
        }
    }

    void SpellHitTarget(Unit* target, SpellInfo const* spellInfo) override
    {
        switch (spellInfo->Id)
        {
            case SPELL_SPANNING_SINGULARITY_FILTER:
                DoCast(target, GetSingularitySpellId());
                break;
            case SPELL_DELPHURIC_BEAM_FILTER:
                DoCast(target, SPELL_DELPHURIC_BEAM_MARK, true);
                break;
        }
    }

    void SpellFinishCast(const SpellInfo* spell) override
    {
        if (spell->Id == GetSingularitySpellId())
            DoCast(me, SPELL_DISSOLVE_VISUAL, true);

        if (spell->Id == SPELL_ECHO_ARCANETIC_RING)
        {
            DoCast(me, SPELL_ARCANETIC_RING_FILTER, true);
            DoCast(me, SPELL_DISSOLVE_VISUAL, true);
        }

        if (spell->Id == SPELL_ECHO_EPOCHERIC_ORB)
        {
            DoCast(me, SPELL_EPOCHERIC_ORB_MISSLE_NORMAL, true);

            if (Unit* owner = me->GetAnyOwner())
                owner->SummonCreature(NPC_EPOCHERIC_ORB_TRIGGER, me->GetPositionX(), me->GetPositionY(), me->GetPositionZ() + 18.0f);
        }
    }

    void UpdateAI(uint32 diff) override {}
};

//105315
struct npc_elisande_arcanetic_ring : ScriptedAI
{
    explicit npc_elisande_arcanetic_ring(Creature* creature) : ScriptedAI(creature)
    {
        me->SetReactState(REACT_PASSIVE);
        me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC | UNIT_FLAG_IMMUNE_TO_PC | UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE);
        me->SetSpeed(MOVE_FLIGHT, 1.0f, true);
        SetFlyMode(true);
    }

    Position pos;
    Position casterPos;
    bool activeMoving = false;
    uint32 scaleTimer = 0;
    float targetDist = 0.0f;
    float mod = 1.15f;

    void IsSummonedBy(Unit* summoner) override {}

    void SpellHit(Unit* caster, SpellInfo const* spellInfo) override
    {
        if (!activeMoving && spellInfo->Id == SPELL_ARCANETIC_RING_FILTER)
        {
            activeMoving = true;
            DoCast(me, SPELL_ARCANETIC_RING_AT, true);
            centrPos.SimplePosXYRelocationByAngle(pos, 115.0f, me->GetAngle(caster));
            casterPos = {caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ()};
            targetDist = me->GetDistance(caster);
            G3D::Vector3 path[3] =
            {
                {me->GetPositionX(), me->GetPositionY(), me->GetPositionZ()},
                {caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ()},
                {pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ()}
            };
            me->GetMotionMaster()->MoveSmoothFlyPath(1, path, IsMythicRaid() ? 3 : 2);
            scaleTimer = 200;
        }
    }

    void MovementInform(uint32 type, uint32 id) override
    {
        if (type == EFFECT_MOTION_TYPE)
        {
            if (id == 1)
                me->DespawnOrUnsummon();
        }
    }

    void UpdateAI(uint32 diff) override
    {
        if (scaleTimer)
        {
            if (scaleTimer <= diff)
            {
                scaleTimer = 200;
                if (auto at = me->GetAreaObject(SPELL_ARCANETIC_RING_AT))
                {
                    float scaleStep = (me->GetDistance(casterPos) / targetDist) * mod;
                    if (scaleStep <= 0.35f && mod == 1.15f)
                        mod = 0.6f;
                    if (scaleStep > 0.35f && scaleStep < 0.7f)
                        at->SetSphereScale(scaleStep, 200, true);
                    else if (scaleStep > 0.7f)
                        at->SetSphereScale(0.7f, 200, true);
                }
            }
            else
                scaleTimer -= diff;
        }
    }
};

//105299
struct npc_elisande_recursive_elemental : ScriptedAI
{
    explicit npc_elisande_recursive_elemental(Creature* creature) : ScriptedAI(creature)
    {
        instance = me->GetInstanceScript();
        me->SetControlled(true, UNIT_STATE_ROOT);
    }

    InstanceScript* instance;
    EventMap events;

    void IsSummonedBy(Unit* summoner) override
    {
        instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me);
        DoCast(me, SPELL_CHANGE_MODE_TIME_ELEMENTAL_SLOW, true);
        events.RescheduleEvent(EVENT_1, 1000);

        if (IsMythicRaid())
            events.RescheduleEvent(EVENT_2, 12000);
    }

    void JustDied(Unit* /*killer*/) override
    {
        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
        me->SetVisible(false);
    }

    void UpdateAI(uint32 diff) override
    {
        if (!UpdateVictim())
            return;

        events.Update(diff);

        if (me->HasUnitState(UNIT_STATE_CASTING))
            return;

        if (uint32 eventId = events.ExecuteEvent())
        {
            switch (eventId)
            {
                case EVENT_1:
                    DoCastTopAggro(SPELL_BLAST);
                    events.RescheduleEvent(EVENT_1, 4000);
                    break;
                case EVENT_2:
                    DoCast(SPELL_RECURSION);
                    events.RescheduleEvent(EVENT_2, 16000);
                    break;
            }
        }
        DoMeleeAttackIfReady();
    }
};

//105301
struct npc_elisande_expedient_elemental : ScriptedAI
{
    explicit npc_elisande_expedient_elemental(Creature* creature) : ScriptedAI(creature)
    {
        instance = me->GetInstanceScript();
    }

    InstanceScript* instance;
    EventMap events;

    void IsSummonedBy(Unit* summoner) override
    {
        instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me);
        DoCast(me, SPELL_CHANGE_MODE_TIME_ELEMENTAL_FAST, true);
        events.RescheduleEvent(EVENT_1, 1000);

        if (IsMythicRaid())
            events.RescheduleEvent(EVENT_2, 11000);
    }

    void JustDied(Unit* /*killer*/) override
    {
        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
        me->SetVisible(false);
    }

    void UpdateAI(uint32 diff) override
    {
        if (!UpdateVictim())
            return;

        events.Update(diff);

        if (me->HasUnitState(UNIT_STATE_CASTING))
            return;

        if (uint32 eventId = events.ExecuteEvent())
        {
            switch (eventId)
            {
                case EVENT_1:
                    DoCast(SPELL_EXOTHERMIC_RELEASE);
                    events.RescheduleEvent(EVENT_1, 4500);
                    break;
                case EVENT_2:
                    DoCast(SPELL_EXPEDITE_FILTER);
                    events.RescheduleEvent(EVENT_2, 16000);
                    break;
            }
        }
        DoMeleeAttackIfReady();
    }
};

//107754
struct npc_elisande_epocheric_orb : ScriptedAI
{
    explicit npc_elisande_epocheric_orb(Creature* creature) : ScriptedAI(creature)
    {
        me->SetReactState(REACT_PASSIVE);
        me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC | UNIT_FLAG_IMMUNE_TO_PC | UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE);
        SetFlyMode(true);
        me->SetSpeed(MOVE_FLIGHT, 0.2f, true);
    }

    uint32 startTimer = 0;

    void IsSummonedBy(Unit* summoner) override
    {
        startTimer = 2000;
    }

    void MovementInform(uint32 type, uint32 id) override
    {
        if (type == POINT_MOTION_TYPE)
        {
            if (id == 1)
            {
                me->RemoveAurasDueToSpell(SPELL_EPOCHERIC_ORB_VISUAL);
                bool playerFound = false;
                auto at = me->GetAreaObject(SPELL_EPOCHERIC_ORB_AT);
                if (!at)
                {
                    me->DespawnOrUnsummon();
                    return;
                }
                for (auto playerGuid : *at->GetAffectedPlayers())
                {
                    if (auto const& player = ObjectAccessor::GetPlayer(*me, playerGuid))
                    {
                        playerFound = true;
                        break;
                    }
                }
                if (auto owner = me->GetAnyOwner())
                {
                    if (playerFound)
                        owner->CastSpell(me, SPELL_EPOCHERIC_ORB_SMALL_DMG, true);
                    else
                        owner->CastSpell(me, SPELL_EPOCHERIC_ORB_BIG_DMG, true);
                }
                at->Despawn();
                me->AddDelayedEvent(1000, [this] () -> void { me->DespawnOrUnsummon(); });
            }
        }
    }

    void UpdateAI(uint32 diff) override
    {
        if (startTimer)
        {
            if (startTimer <= diff)
            {
                startTimer = 0;
                DoCast(me, SPELL_EPOCHERIC_ORB_VISUAL, true);
                float z = me->GetHeight(me->GetPositionX(), me->GetPositionY(), me->GetPositionZ());
                me->GetMotionMaster()->MovePoint(1, me->GetPositionX(), me->GetPositionY(), z, false);
            }
            else
                startTimer -= diff;
        }
    }
};

//209168
class spell_elisande_spanning_singularity_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_spanning_singularity_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (!GetCaster() || GetCaster()->GetEntry() != NPC_ELISANDE)
            return;

        if (targets.size() < 15)
            Trinity::Containers::RandomResizeList(targets, 1);
        else if (targets.size() < 25)
            Trinity::Containers::RandomResizeList(targets, 2);
        else
            Trinity::Containers::RandomResizeList(targets, 3);
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_spanning_singularity_filter::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};

//209174
class spell_elisande_spanning_singularity : public SpellScript
{
    PrepareSpellScript(spell_elisande_spanning_singularity);

    void HandleScript(SpellEffIndex /*effectIndex*/)
    {
        if (!GetCaster() || !GetHitDest())
            return;

        if (InstanceScript* instance = GetCaster()->GetInstanceScript())
            if (Creature* elisande = instance->instance->GetCreature(instance->GetGuidData(DATA_ELISANDE)))
                elisande->CastSpell(GetHitDest(), SPELL_SPANNING_SINGULARITY_AT, true);
    }

    void Register() override
    {
        OnEffectLaunch += SpellEffectFn(spell_elisande_spanning_singularity::HandleScript, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};

//229739
class spell_elisande_cascadent_star_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_cascadent_star_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (GetCaster())
        {
            if (GetCaster()->getVictim())
                targets.remove(GetCaster()->getVictim());

            if (targets.size() > 1)
            {
                uint32 size = 1;
                float mod = 1.0f;

                if (GetCaster()->GetPower(POWER_ENERGY) > 51)
                    mod = 0.7f;
                else if (GetCaster()->GetPower(POWER_ENERGY) > 1)
                    mod = 0.5f;
                else
                    mod = 0.3f;

                size = uint32(targets.size() * mod);
                Trinity::Containers::RandomResizeList(targets, size < 1 ? 1 : size);
            }
        }
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_cascadent_star_filter::FilterTargets, EFFECT_1, TARGET_UNIT_DEST_AREA_ENEMY);
    }
};

//229740
class spell_elisande_cascadent_star : public SpellScript
{
    PrepareSpellScript(spell_elisande_cascadent_star);

    void HandleScript(SpellEffIndex /*effectIndex*/)
    {
        if (!GetCaster() || !GetHitUnit())
            return;

        if (InstanceScript* instance = GetCaster()->GetInstanceScript())
            if (Creature* elisande = instance->instance->GetCreature(instance->GetGuidData(DATA_ELISANDE)))
                elisande->CastSpell(GetHitUnit(), SPELL_CASCADENT_STAR_DMG, true);
    }

    void Register() override
    {
        OnEffectLaunchTarget += SpellEffectFn(spell_elisande_cascadent_star::HandleScript, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};

//209242
class spell_elisande_delphuric_beam_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_delphuric_beam_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (GetCaster() && !targets.empty())
        {
            if (GetCaster()->GetMap()->IsMythicRaid())
                Trinity::Containers::RandomResizeList(targets, 5);
            else if (targets.size() <= 10)
                Trinity::Containers::RandomResizeList(targets, 2);
            else if (targets.size() <= 20)
                Trinity::Containers::RandomResizeList(targets, 3);
            else if (targets.size() <= 30)
                Trinity::Containers::RandomResizeList(targets, 4);
        }
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_delphuric_beam_filter::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENTRY);
    }
};

//209248
class spell_elisande_delphuric_beam_dmg_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_delphuric_beam_dmg_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        std::list<WorldObject*> tempTargets;

        if (!GetCaster() || !GetExplTargetUnit() || GetCaster()->GetMap()->IsMythicRaid())
            return;

        for (auto const& target : targets)
        {
            if (target->GetGUID() == GetExplTargetUnit()->GetGUID())
            {
                tempTargets.push_back(target);
                continue;
            }

            if (target->IsInBetween(GetCaster(), GetExplTargetUnit(), 2.0f))
                tempTargets.push_back(target);
        }
        targets = tempTargets;
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_delphuric_beam_dmg_filter::FilterTargets, EFFECT_0, TARGET_UNIT_BETWEEN_ENEMY);
    }
};

//213956
class spell_elisande_epocheric_orb_at : public SpellScript
{
    PrepareSpellScript(spell_elisande_epocheric_orb_at);

    void HandleOnHit(SpellEffIndex /*effIndex*/)
    {
        if (Unit* caster = GetCaster())
            GetSpell()->destTarget->Relocate(caster->GetPositionX(), caster->GetPositionY(), caster->GetHeight(caster->GetPositionX(), caster->GetPositionY(),caster->GetPositionZ()));
    }

    void Register()
    {
        OnEffectHit += SpellEffectFn(spell_elisande_epocheric_orb_at::HandleOnHit, EFFECT_0, SPELL_EFFECT_CREATE_AREATRIGGER);
    }
};

//210024, 210546
class spell_elisande_epocheric_orb_dmg : public SpellScript
{
    PrepareSpellScript(spell_elisande_epocheric_orb_dmg);

    void HandleDamage(SpellEffIndex effectIndex)
    {
        if (!GetCaster() || !GetHitUnit())
            return;

        int32 damage = GetHitDamage();

        if (GetSpellInfo()->Id == SPELL_EPOCHERIC_ORB_BIG_DMG)
        {
            if (const SpellInfo* info = sSpellMgr->GetSpellInfo(SPELL_EPOCHERIC_ORB_SMALL_DMG))
                damage = info->GetEffect(EFFECT_0, GetCaster()->GetMap()->GetDifficultyID())->BasePoints;
        }

        if (GetCaster()->GetMap()->IsMythicRaid())
        {
            GetCaster()->CastSpell(GetHitUnit(), SPELL_EPOCHERIC_VULNERABILITY, true);

            if (uint8 count = GetHitUnit()->GetAuraCount(SPELL_EPOCHERIC_VULNERABILITY))
                damage *= count;
        }

        SetHitDamage(damage);
    }

    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_elisande_epocheric_orb_dmg::HandleDamage, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};

//211799
class spell_elisande_ablating_explosion_dmg : public SpellScript
{
    PrepareSpellScript(spell_elisande_ablating_explosion_dmg);

    void HandleDamage(SpellEffIndex /*effIndex*/)
    {
        if (!GetHitUnit())
            return;

        if (WorldLocation const* loc = GetExplTargetDest())
        {
            float distance = GetHitUnit()->GetExactDist2d(loc) * 2.0f;
            uint32 perc = 10;
            if (distance < 100.0f)
                perc = 100.0f - distance;

            uint32 damage = CalculatePct(GetHitDamage(), perc);
            SetHitDamage(damage);
        }
    }

    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_elisande_ablating_explosion_dmg::HandleDamage, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};

//209599
class spell_elisande_conflexive_burst_dmg : public SpellScript
{
    PrepareSpellScript(spell_elisande_conflexive_burst_dmg);

    void HandleDamage(SpellEffIndex /*effIndex*/)
    {
        if (!GetHitUnit() || !GetHitUnit()->GetMap()->IsMythicRaid())
            return;

        if (WorldLocation const* loc = GetExplTargetDest())
        {
            float distance = GetHitUnit()->GetExactDist2d(loc) * 2.0f;
            uint32 perc = 10;
            if (distance < 100.0f)
                perc = 100.0f - distance;

            uint32 damage = CalculatePct(GetHitDamage(), perc);
            SetHitDamage(damage);
        }
    }

    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_elisande_conflexive_burst_dmg::HandleDamage, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
    }
};

//225653
class spell_elisande_permeliative_torment_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_permeliative_torment_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (GetCaster() && !targets.empty())
        {
            if (GetCaster()->GetMap()->IsMythicRaid() || targets.size() <= 10)
                Trinity::Containers::RandomResizeList(targets, 2);
            else if (targets.size() <= 20)
                Trinity::Containers::RandomResizeList(targets, 3);
            else if (targets.size() <= 25)
                Trinity::Containers::RandomResizeList(targets, 4);
            else if (targets.size() <= 30)
                Trinity::Containers::RandomResizeList(targets, 5);
        }
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_permeliative_torment_filter::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};

//209621
class spell_elisande_recursion : public SpellScript
{
    PrepareSpellScript(spell_elisande_recursion);

    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        if (auto target = GetHitUnit())
        {
            if (target->IsCreature())
                if (Aura* aura = target->GetAura(SPELL_DELPHURIC_BEAM))
                    aura->RefreshDuration();
            else if (target->IsPlayer())
            {
                Unit::AuraApplicationMap& appliedAuras = target->GetAppliedAuras();
                for (Unit::AuraApplicationMap::iterator iter = appliedAuras.begin(); iter != appliedAuras.end(); ++iter)
                {
                    if (auto aura = iter->second->GetBase())
                    {
                        for (auto auraEffect : aura->GetAuraEffects())
                        {
                            if (auraEffect->GetAuraType() == SPELL_AURA_PERIODIC_DAMAGE)
                            {
                                aura->RefreshDuration();
                                continue;
                            }
                        }
                    }
                }
            }
        }
    }

    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_elisande_recursion::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};

//209597
class spell_elisande_conflexive_burst_filter : public SpellScript
{
    PrepareSpellScript(spell_elisande_conflexive_burst_filter);

    void FilterTargets(std::list<WorldObject*>& targets)
    {
        if (!GetCaster())
            return;

        targets.remove_if(Trinity::UnitTypeCheck(true, TYPEID_PLAYER));

        if (targets.size() > 1 && GetCaster()->getVictim())
            targets.remove(GetCaster()->getVictim());

        if (targets.size() > 2)
            Trinity::Containers::RandomResizeList(targets, 2);
    }

    void Register() override
    {
        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_elisande_conflexive_burst_filter::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
    }
};

//211261
class spell_elisande_permeliative_torment : public AuraScript
{
    PrepareAuraScript(spell_elisande_permeliative_torment);

    void OnTick(AuraEffect const* aurEff)
    {
        if (auto aurEff = GetAura()->GetEffect(EFFECT_0))
        {
            float damage = aurEff->GetBaseAmount() * aurEff->GetTickNumber();
            aurEff->SetBaseSendAmount(damage);
        }
    }

    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_elisande_permeliative_torment::OnTick, EFFECT_0, SPELL_AURA_PERIODIC_DAMAGE);
    }
};

//209165
class spell_elisande_time_slow_regulator : public AuraScript
{
    PrepareAuraScript(spell_elisande_time_slow_regulator);

    void CalculateAmount(AuraEffect const* /*aurEff*/, float & amount, bool& /*canBeRecalculated*/)
    {
        if (GetUnitOwner() && GetUnitOwner()->IsCreature() && GetUnitOwner()->GetEntry() == NPC_ARCANETIC_RING)
            amount = -70;
    }

    void Register()
    {
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_elisande_time_slow_regulator::CalculateAmount, EFFECT_0, SPELL_AURA_DUMMY);
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_elisande_time_slow_regulator::CalculateAmount, EFFECT_1, SPELL_AURA_MOD_TIME_RATE);
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_elisande_time_slow_regulator::CalculateAmount, EFFECT_2, SPELL_AURA_DUMMY);
        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_elisande_time_slow_regulator::CalculateAmount, EFFECT_5, SPELL_AURA_DUMMY);
    }
};

//214278, 214295
class spell_elisande_delphuric_beam : public AuraScript
{
    PrepareAuraScript(spell_elisande_delphuric_beam);

    void CalculateMaxDuration(int32& duration)
    {
        if (GetCaster() && GetCaster()->GetMap()->IsMythicRaid())
        {
            if (GetId() == SPELL_DELPHURIC_BEAM)
                duration = 12000;
            else if (GetId() == SPELL_ECHO_DELPHURIC_BEAM)
                duration = 9000;
        }
    }

    void OnTick(AuraEffect const* aurEff)
    {
        if (!GetCaster() || !GetCaster()->isInCombat())
            return;

        if (GetId() == SPELL_DELPHURIC_BEAM)
        {
            if (GetCaster()->GetMap()->IsMythicRaid())
            {
                if (aurEff->GetTickNumber() == 1 || aurEff->GetTickNumber() == 2 || aurEff->GetTickNumber() == 3)
                    GetCaster()->CastSpellDelay(GetCaster(), SPELL_DELPHURIC_BEAM_FILTER, true, 100 * aurEff->GetTickNumber());
            }
            else if (aurEff->GetTickNumber() == 1)
            {
                GetCaster()->CastSpell(GetCaster(), SPELL_DELPHURIC_BEAM_FILTER, true);
            }
        }
        else if (GetId() == SPELL_ECHO_DELPHURIC_BEAM)
        {
            if (aurEff->GetTickNumber() == 1 || aurEff->GetTickNumber() == 2 || aurEff->GetTickNumber() == 3)
                GetCaster()->CastSpellDelay(GetCaster(), SPELL_DELPHURIC_BEAM_FILTER, true, 100 * aurEff->GetTickNumber());
        }
    }

    void Register() override
    {
        DoCalcMaxDuration += AuraCalcMaxDurationFn(spell_elisande_delphuric_beam::CalculateMaxDuration);
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_elisande_delphuric_beam::OnTick, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
    }
};

void AddSC_boss_elisande()
{
    RegisterCreatureAI(boss_elisande);
    RegisterCreatureAI(npc_elisande_echo_of_elisande);
    RegisterCreatureAI(npc_elisande_arcanetic_ring);
    RegisterCreatureAI(npc_elisande_recursive_elemental);
    RegisterCreatureAI(npc_elisande_expedient_elemental);
    RegisterCreatureAI(npc_elisande_epocheric_orb);
    RegisterSpellScript(spell_elisande_spanning_singularity);
    RegisterSpellScript(spell_elisande_spanning_singularity_filter);
    RegisterSpellScript(spell_elisande_cascadent_star_filter);
    RegisterSpellScript(spell_elisande_cascadent_star);
    RegisterSpellScript(spell_elisande_delphuric_beam_filter);
    RegisterSpellScript(spell_elisande_delphuric_beam_dmg_filter);
    RegisterSpellScript(spell_elisande_epocheric_orb_at);
    RegisterSpellScript(spell_elisande_epocheric_orb_dmg);
    RegisterSpellScript(spell_elisande_ablating_explosion_dmg);
    RegisterSpellScript(spell_elisande_conflexive_burst_dmg);
    RegisterSpellScript(spell_elisande_permeliative_torment_filter);
    RegisterSpellScript(spell_elisande_recursion);
    RegisterSpellScript(spell_elisande_conflexive_burst_filter);
    RegisterAuraScript(spell_elisande_permeliative_torment);
    RegisterAuraScript(spell_elisande_time_slow_regulator);
    RegisterAuraScript(spell_elisande_delphuric_beam);
}
